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Bug#798710: marked as done (gcc-6: libgccjit is broken on mips*)

Your message dated Thu, 07 Feb 2019 03:13:19 +0000
with message-id <E1gra7r-000G9u-7I@fasolo.debian.org>
and subject line Bug#920171: Removed package(s) from unstable
has caused the Debian Bug report #798710,
regarding gcc-6: libgccjit is broken on mips*
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
798710: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798710
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: gcc-5
Version: 5.2.1-15
Severity: serious
Tags: sid
User: debian-mips@lists.debian.org

Hello,

Package gcc-5_5.2.1-15 is causing following issue during package pygccjit_0.4-4 build:

test_bf_jit (test.JitTests) ... /tmp/libgccjit-HxB6hJ/fake.s: Assembler messages:
/tmp/libgccjit-HxB6hJ/fake.s:14: Error: `fp=xx' used with a cpu lacking ldc1/sdc1 instructions
/tmp/libgccjit-HxB6hJ/fake.s:14: Error: `fp=xx' used with a cpu lacking ldc1/sdc1 instructions
/tmp/libgccjit-HxB6hJ/fake.s:15: Error: `fp=xx' used with a cpu lacking ldc1/sdc1 instructions
/tmp/libgccjit-HxB6hJ/fake.s:22: Error: `fp=xx' used with a cpu lacking ldc1/sdc1 instructions
/tmp/libgccjit-HxB6hJ/fake.s:24: Error: `fp=xx' used with a cpu lacking ldc1/sdc1 instructions
/tmp/libgccjit-HxB6hJ/fake.s:201: Error: `fp=xx' used with a cpu lacking ldc1/sdc1 instructions
/tmp/libgccjit-HxB6hJ/fake.s:202: Error: `fp=xx' used with a cpu lacking ldc1/sdc1 instructions
libgccjit.so: error: error invoking gcc driver: exit_status: 256 err: 0
libgccjit.so: error: whilst attempting to run a driver named: mipsel-linux-gnu-gcc-5
libgccjit.so: error: PATH was: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
ERROR

For this issue to be seen on pygccjit build log, one could rebuild package against new gcc-5 version.

This issue is not noticed with gcc-5 version gcc-5_5.1.1-13 that is in pygccjit build log:
https://buildd.debian.org/status/fetch.php?pkg=pygccjit&arch=mips&ver=0.4-4&stamp=1436417562
Problem that is present with gcc-5_5.1.1-13 is still there on gcc-5_5.2.1-15 and I will open a separate bug report for this issue.

Here are lines that I get during package build with gcc-5_5.1.1-14:
 gcc-5 -shared /tmp/libgccjit-z1jPnd/fake.s -o /tmp/libgccjit-z1jPnd/fake.so -fno-use-linker-plugin

and gcc-5_5.2.1-15:
gcc-5 -EL -mips1 -mabi=32 -shared /tmp/libgccjit-piCaTh/fake.s -o /tmp/libgccjit-piCaTh/fake.so -fno-use-linker-plugin

Notice mips1 flag in build line.

I have traced back changes that caused this new issue and they are first introduces with gcc-5_5.2.1-13 version:
https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/jit/jit-playback.h?r1=225207&r2=226126
https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/jit/jit-playback.c?r1=225726&r2=226126

After reverting these patches on MIPS this issue is not there any more.
This is confirmed with gcc-5_5.2.1-15 built with those changes reverted.

This issue is found in versions:
5.2.1-13, 5.2.1-14, 5.2.1-15, 5.2.1-16.

Suggestions are welcomed.

Thank you!

Regards,
Jurica

--- End Message ---
--- Begin Message --- 
Version: 6.5.0-2+rm

Dear submitter,

as the package gcc-6 has just been removed from the Debian archive
unstable we hereby close the associated bug reports.  We are sorry
that we couldn't deal with your issue properly.

For details on the removal, please see https://bugs.debian.org/920171

The version of this package that was in Debian prior to this removal
can still be found using http://snapshot.debian.org/.

This message was generated automatically; if you believe that there is
a problem with it please contact the archive administrators by mailing
ftpmaster@ftp-master.debian.org.

Debian distribution maintenance software
pp.
Scott Kitterman (the ftpmaster behind the curtain)

--- End Message ---
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